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AbstractFull Text

BACKGROUND: Urea is a non-proteinaceous nitrogen source, often used as a substitute for raw ration protein in order to reduce the feeding cost of livestock. OBJECTIVES: The purpose of this study was to investigate the effects of substitution of different levels of slow release urea with soybean...

Author(s)
Kia, S. A. M. S. A.; Yansari, A. T.; Dirandeh, E.; Irajian, G. H.
Publisher
Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
Citation
Journal of Veterinary Research, 2019, 74, 4, pp Pe438-Pe448
Abstract

Intake, digestibility of nutrients, production and milk composition of Holstein × Gyr fed diets based on corn silage supplemented with concentrates containing glycerin or no coproduct of biodiesel production were evaluated. The treatments were based on the partial replacement of ground corn starch...

Author(s)
Duque, A. C. A.; Lopes, F. C. F.; Silva e Oliveira, J.; Morenz, M. J. F.; Reis, L. G. dos; Silva, J. S. da; Borges, A. L. da C. C.; Reis e Silva, R.
Publisher
Faculdade de Veterinaria, Universidade Federal Fluminense, Niterói, Brazil
Citation
Revista Brasileira de Ciência Veterinária, 2018, 25, 2, pp 60-66
Abstract

In the semi-arid highlands of central Mexico, triticale (× Triticosecale L.) is emerging as an alternative, less water-demanding forage crop than alfalfa for dairy cattle. Studies reported here were aimed at evaluating triticale hay (TH) relative to alfalfa hay (AH) for lactating cow performance,...

Author(s)
Santana, O. I.; Olmos-Colmenero, J. J.; Wattiaux, M. A.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 9, pp 8546-8558
AbstractFull Text

Aim: The study was to determine seasonal fluctuations and non-nutritional factors associated with bulk tank milk urea nitrogen (BTMUN). Materials and Methods: A total of 58,364 BTM testing records were collected from 2364 farms in Central Thailand during September 2014-August 2015. Using square...

Author(s)
Kananub, S.; Jawjaroensri, W.; VanLeeuwen, J.; Stryhn, H.; Arunvipas, P.
Publisher
Veterinary World, Rajkot, India
Citation
Veterinary World, 2018, 11, 5, pp 642-648
AbstractFull Text

Sixty spring-calved cows were allocated to one of three dietary treatments: grazing on perennial ryegrass pasture (GRO), grazing on perennial ryegrass plus white clover pasture (GRC), or housed indoors and offered total mixed ration (TMR). Milk from each treatment was collected on six occasions...

Author(s)
Gulati, A.; Hennessy, D.; Lewis, E.; O'Donovan, M.; McManus, J. J.; Fenelon, M. A.; Guinee, T. P.
Publisher
Teagasc, Animal & Grassland Research and Innovation Centre, Fermoy, Irish Republic
Citation
Sustainable meat and milk production from grasslands. Proceedings of the 27th General Meeting of the European Grassland Federation, Cork, Ireland, 17-21 June 2018, 2018, pp 709-711
Abstract

This experiment was conducted to study the effects of oregano oil on ruminal microbial protein (MCP) production, milk performance and nitrogen excretion of dairy cows. Forty healthy Holstein lactating cows with similar age, body weight, parity, milk yield, milk composition and lactation...

Author(s)
Zhang KaiXiang; Xing DeFang; Gao XuLei; Wang XiaoWei; Sun GuoQiang
Publisher
Chinese Association of Animal Science and Veterinary Medicine, Beijing, China
Citation
Chinese Journal of Animal Nutrition, 2018, 30, 5, pp 1902-1910
Abstract

The objective of this study was to determine whether the partial replacement of barley starch with lactose (fed as dried whey permeate; DWP) affects N utilization, whole-body urea kinetics, and production in dairy cows. Eight lactating Holstein cows were used in a replicated 4×4 Latin square design ...

Author(s)
Seram, E. L. de; Penner, G. B.; Mutsvangwa, T.
Publisher
Elsevier Inc., Philadelphia, USA
Citation
Journal of Dairy Science, 2019, 102, 7, pp 6088-6108
Abstract

This study investigated the effect of tannin sources on nutrient intake, digestibility, performance, nitrogen utilization, and blood parameters in lactating dairy cows. Four multiparous lactating Holstein cows were used in a balanced 4×4 Latin square design, with each period lasting 28 days. Cows...

Author(s)
Zhang Jun; Xu XiaoFeng; Cao ZhiJun; Wang YaJing; Yang Hongjian; Azarfar, A.; Li ShengLi
Publisher
MDPI AG, Basel, Switzerland
Citation
Animals, 2019, 9, 8, pp 507
Abstract

This experiment was conducted to study the effects of different combinations of rumen-protected methionine (RPMet) and rumen-protected lysine (RPLys) on rumen microbial protein production, lactation performance and nitrogen excretion of dairy cows. Forty Holstein lactating dairy cows with similar...

Author(s)
Ding DaWei; Gao XuLei; Teng LeBang; Lyu YongYan; Sun GuoQiang
Publisher
Chinese Association of Animal Science and Veterinary Medicine, Beijing, China
Citation
Chinese Journal of Animal Nutrition, 2019, 31, 6, pp 2716-2726
AbstractFull Text

Six Holstein multiparous dairy cows with an initial body weight of 677±37.34 kg were organized according to a 3×3 Latin square design to evaluate the effect of three different levels of crude protein (CP) in the diet on feed intake, milk production and its chemical composition and the excretions of ...

Author(s)
Elouadaf, D.; Martínez-Fernández, A.; Soldado, A.; Jiménez-Calderón, J. D.; Vicente, F.
Publisher
Asociación Interprofesional para el Desarrollo Agrario, Zaragoza, Spain
Citation
XVIII Jornadas sobre Producción Animal, Zaragoza, España, 7 y 8 de mayo de 2019, 2019, pp 203-205

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